Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities
Net earnings	$ 137,116	$ 160,627	$ 119,833
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	87,344	63,348	54,317
Write-off of assets relating to restructuring and other exit charges	10,986	26,308	3,736
Impairment of goodwill	39,713	0	0
Impairment of indefinite-lived intangibles	4,549	0	0
Derivatives not designated in hedging relationships:
Net losses (gains)	178	1,856	(180)
Cash (settlements) proceeds	(793)	(1,802)	43
Provision for doubtful accounts	4,821	1,385	822
Deferred income taxes	(16,486)	(6,456)	(20,313)
Non-cash interest expense	1,673	1,316	1,603
Stock-based compensation	20,780	22,608	19,453
(Gain) loss on disposal of property, plant, and equipment	(86)	(258)	116
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	26,486	5,974	(32,242)
Inventories	(9,379)	(46,614)	(38,075)
Prepaid and other current assets	(17,508)	(20,195)	14,470
Other assets	3,089	(7,611)	(1,150)
Accounts payable	(33,490)	9,944	21,266
Legal proceedings accrual	0	7,258	0
Accrued expenses	7,055	(4,937)	(26,614)
Other liabilities	(12,650)	(14,896)	93,963
Net cash provided by operating activities	253,398	197,855	211,048
Cash flows from investing activities
Capital expenditures	(101,425)	(70,372)	(69,832)
Purchase of businesses	(176,548)	(654,614)	(2,988)
Proceeds from sale of facility	720	0	0
Insurance proceeds relating to property, plant and equipment	403	0	0
Proceeds from disposal of property, plant, and equipment	2,031	1,103	463
Net cash used in investing activities	(274,819)	(723,883)	(72,357)
Cash flows from financing activities
Net (repayments) borrowings on short-term debt	(5,325)	37,424	214
Debt issuance costs	(4,607)	(1,393)	(2,677)
Finance lease obligations and other	995	368	(29)
Option proceeds	1,417	9,048	958
Payment of taxes related to net share settlement of equity awards	(6,393)	(3,630)	(7,489)
Purchase of treasury stock	(34,561)	(56,436)	(121,191)
Dividends paid to stockholders	(29,705)	(29,743)	(29,674)
Net cash provided by (used in) financing activities	62,683	346,577	(166,888)
Effect of exchange rate changes on cash and cash equivalents	(13,495)	(43,455)	49,986
Net increase (decrease) in cash and cash equivalents	27,767	(222,906)	21,789
Cash and cash equivalents at beginning of year	299,212	522,118	500,329
Cash and cash equivalents at end of year	326,979	299,212	522,118
Non-cash investing and financing activities:
Common stock issued as partial consideration for Alpha acquisition	0	93,268	0
2017 Revolver borrowings
Cash flows from financing activities
Proceeds from borrowings	386,700	531,100	379,750
Repayments of borrowings	(517,700)	(427,600)	(244,250)
2027 Notes
Cash flows from financing activities
Proceeds from borrowings	300,000	0	0
2011 Revolver borrowings
Cash flows from financing activities
Proceeds from borrowings	0	0	147,050
Repayments of borrowings	0	0	(312,050)
Amended 2017 Term Loan
Cash flows from financing activities
Proceeds from Amended 2017 Term Loan	0	299,105	150,000
Repayments of 2011 Term Loan	(28,138)	(11,666)	0
2011 Term Loan
Cash flows from financing activities
Repayments of 2011 Term Loan	$ 0	$ 0	$ (127,500)